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TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

Section: Mathematics
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Question : 36 of 160
 
Marks: +1, -0
The means of two groups of observations A and B are
−
x
,
−
y
 respectively and their standard deviations are respectively 2 and 3. In order that the group A is to be more consistent than the group B
−
y
−
x
>
Validate
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